Key Responsibilities

• Administer and maintain VMware vSphere / vCenter environments (ESXi hosts, VMs, snapshots, storage, HA/DRS).

• Manage Windows Server environments including Active Directory, Group Policy, DNS, DHCP, and certificate services.

• Administer Linux servers (RHEL/CentOS/Ubuntu): patching, hardening, performance tuning, and scripting.

• Maintain and monitor MS SQL Server instances: backups, restores, performance monitoring, and basic query optimization.

• Perform system monitoring, capacity planning, and proactive identification of bottlenecks or risks.

• Execute change management procedures in compliance with ITSM policies (incident, problem, change management).

• Implement and maintain security baselines, patch management, and vulnerability remediation.

• Produce technical documentation, runbooks, and knowledge base articles.

• Provide 2nd/3rd level support and act as escalation point for infrastructure-related incidents.

• Participate in on-call rotation and planned maintenance windows.

Technical Requirements

Virtualization

• VMware vSphere / vCenter 7.x or 8.x

• VMware NSX, SRM, or Horizon

• Familiarity with backup solutions integrated with VMware (e.g., Veeam, Commvault)

Windows

• Windows Server 2016 / 2019 / 2022 administration

• Active Directory, Group Policy, ADFS, DNS, DHCP

• PowerShell scripting for automation and reporting

• IIS, Remote Desktop Services (RDS), Windows clustering (desirable)

Linux

• RHEL / CentOS / Ubuntu server administration

• Shell scripting (Bash), cron jobs, log management

• Familiarity with configuration management tools (Ansible, Puppet) is a plus

• Basic networking knowledge: firewall rules, routing, VLANs in a Linux context

Microsoft SQL Server

• MS SQL Server 2016 / 2019 / 2022 installation, configuration, and maintenance

• Backup and recovery strategies (full, differential, transaction log)

• Performance monitoring, index management, and basic T-SQL querying

• SQL Server Agent, Always On Availability Groups (desirable)

Networking & Security

• Solid understanding of TCP/IP, DNS, VPN, and firewalling principles

• Experience with SIEM tools or security monitoring platforms (desirable)

• Knowledge of ISO 27001 / CIS Benchmarks a strong plus

Qualifications & Experience

• 3+ years of hands-on experience in an IT Administration / Systems Engineer role

• Bachelor's degree in Computer Science, Information Technology, or equivalent practical experience

• Relevant certifications preferred: VCP (VMware), MCSA/MCSE (Microsoft), RHCSA/RHCE (Red Hat), MCDBA or equivalent

• Experience in ITSM environments (ServiceNow, Jira Service Management, or similar) is an advantage

• ITIL Foundation certification is a plus

Soft Skills & Behavioral Competencies

Technical expertise alone is not enough. We are looking for a professional who brings the right mindset and interpersonal qualities to a collaborative, fast-paced IT environment:

• Ability to diagnose complex issues systematically and stay calm under pressure, especially during critical incidents.

• Takes responsibility for tasks end-to-end — does not leave issues unresolved or pass the buck.

• Meticulous in configuration, documentation, and change execution. One wrong parameter matters.

• Able to explain technical issues clearly to non-technical stakeholders. Writes accurate, concise documentation.

• Works effectively in cross-functional and international teams. Contributes to knowledge sharing and peer support.

• Embraces change, actively keeps skills up to date, and shows genuine curiosity about emerging technologies.

• Treats end users and internal customers with professionalism and empathy; understands the business impact of IT downtime.

• Manages multiple concurrent tasks without losing focus on high-priority items. Escalates proactively when needed.

• Handles sensitive data and access privileges with full responsibility and in compliance with company security policies.